<!DOCTYPE html>
<link rel=author href="mailto:jarhar@chromium.org">
<link rel=help href="https://bugs.chromium.org/p/chromium/issues/detail?id=1477396">
<link rel=help href="https://bugs.chromium.org/p/chromium/issues/detail?id=1477392">
<link rel=help href="https://drafts.csswg.org/selectors/#user-pseudos">
<link rel=help href="https://html.spec.whatwg.org/#selector-user-valid">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>

<form>
  <input type=email>
  <input type=submit>
</form>

<style>
input:user-valid {
  color: rgb(0, 255, 0);
}
input:user-invalid {
  background-color: rgb(255, 0, 0);
}
</style>

<script>
const green = 'rgb(0, 255, 0)';
const red = 'rgb(255, 0, 0)';

promise_test(async () => {
  const emailInput = document.querySelector('input[type=email]');
  assert_not_equals(getComputedStyle(emailInput).color, green,
    'Input should not initially match :user-valid.');
  assert_not_equals(getComputedStyle(emailInput).backgroundColor, red,
    'Input should not initially match :user-invalid.');

  emailInput.focus();
  await test_driver.send_keys(emailInput, 'user');
  assert_not_equals(getComputedStyle(emailInput).color, green,
    ':user-valid should not match until after blurring.');
  assert_not_equals(getComputedStyle(emailInput).backgroundColor, red,
    ':user-invalid should not match until after blurring.');

  emailInput.blur();
  assert_not_equals(getComputedStyle(emailInput).color, green,
    'Invalid input should not match :user-valid.');
  assert_equals(getComputedStyle(emailInput).backgroundColor, red,
    'Invalid input should match :user-invalid.');

  emailInput.focus();
  await test_driver.send_keys(emailInput, '@example.com');
  assert_equals(getComputedStyle(emailInput).color, green,
    'Valid input should match :user-valid.');
  assert_not_equals(getComputedStyle(emailInput).backgroundColor, red,
    'Valid input should not match :user-invalid.');
}, ':user-valid and :user-invalid should invalidate after user input.');
</script>
